Harddrive Flat Side Tank - GAS Tanks 3.5 GAL Screw-Type EVO ST

Harddrive flat side fuel tank in 3.5-gallon capacity with screw-in fuel bung, a direct reproduction of the late-style flatside tank for Harley FXST models. Raw steel construction requires final prep, bodywork, and sealing before use.

Features

• 3.5-gallon capacity
• Screw-in fuel bung
• Fits FXST 1984–1999 models
• Accepts FL, FXWG, and FXST-style dash panels
• Raw steel — requires prep and paint
• Suitable for custom builds or crash repair

Specifications

• Brand: Harddrive
• Manufacturer Part #: 011184
• UPC: 191361166983
• Capacity: 3.5 gallons
• Length: 19 in
• Width: 14 in
• Height: 11 in
• Weight: 18.79 lbs
• Country of Origin: China (Taiwan)

Fitment

Fits Harley-Davidson FXST models 1984 through 1999. Can be adapted to custom builds using FL and FXWG-compatible dash mounts.

Frequently Asked Questions

Does this tank come painted and ready to install?

No — this is raw steel. You must complete final prep, bodywork, paint, and internal sealing before installation.

Will this fit my non-FXST Harley?

Primary fitment is FXST 1984–1999. It can be used in custom applications, but test fit before committing to prep work.

What's included in the box?

The 3.5-gallon flat side tank with screw-in fuel bung. Mounting hardware and dash brackets are not included.

Do I need to seal the inside of the tank?

Yes — all fuel tanks must be pressure tested and sealed internally before use. The warranty does not cover tanks that are not properly tested and sealed.